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Diffstat (limited to 'gcc/ada/g-stheme.adb')
| -rw-r--r-- | gcc/ada/g-stheme.adb | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/ada/g-stheme.adb b/gcc/ada/g-stheme.adb new file mode 100644 index 00000000000..25d6c61921d --- /dev/null +++ b/gcc/ada/g-stheme.adb @@ -0,0 +1,75 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- GNAT.SOCKETS.THIN.HOST_ERROR_MESSAGES -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2007, AdaCore -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This is the default implementation of this unit, providing explicit +-- literal messages (we do not use hstrerror from the standard C library, +-- as this function is obsolete). + +separate (GNAT.Sockets.Thin) +package body Host_Error_Messages is + + package Messages is + HOST_NOT_FOUND : aliased char_array := "Host not found" & nul; + TRY_AGAIN : aliased char_array := "Try again" & nul; + NO_RECOVERY : aliased char_array := "No recovery" & nul; + NO_DATA : aliased char_array := "No address" & nul; + Unknown_Error : aliased char_array := "Unknown error" & nul; + end Messages; + + function Host_Error_Message (H_Errno : Integer) return C.Strings.chars_ptr + is + use Interfaces.C.Strings; + function TCP + (P : char_array_access; Nul_Check : Boolean := False) return chars_ptr + renames To_Chars_Ptr; + begin + case H_Errno is + when Constants.HOST_NOT_FOUND => + return TCP (Messages.HOST_NOT_FOUND'Access); + + when Constants.TRY_AGAIN => + return TCP (Messages.TRY_AGAIN'Access); + + when Constants.NO_RECOVERY => + return TCP (Messages.NO_RECOVERY'Access); + + when Constants.NO_DATA => + return TCP (Messages.NO_DATA'Access); + + when others => + return TCP (Messages.Unknown_Error'Access); + + end case; + end Host_Error_Message; + +end Host_Error_Messages; |